Answer / nibel

actually the battery charger should deliver 10-20% more than the battery voltage rating. if its exceeds there will be the chances of explosion.
no need to worry about the polarity but the voltage rating matters.

Answer / soumaydeepmaity

when u connect an LED with two 1.5 cells they will glow and if u add another two they will glow more.similarly when u will connect your batteries with two sources it will get charged quickly .

On the transformer breather at what length should i change my sililca gel.

4 Answers  

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what are the method of testing of transformer??

2 Answers   NCC,

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the rating of fuse wire i always expressed in what?

3 Answers  

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What are the factors to be considered during the Synchronization?

3 Answers  

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what will happen if 11KV is given to 1.5 square mm cable connected with constant load of 10A ?what will be the condition of cable after injecting the voltage?

1 Answers  

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what are types of servo motors

1 Answers  

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Electrical Engineering

0 Answers   Gamesa, Medha Servo,

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how to synchronize 3 phase slip ring induction motors of different ratings.

0 Answers   GMR,

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can we use trip light with bus coupler?

0 Answers  

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enlist types of dc generator

8 Answers   Philips,

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what is the primary current in 415/415 v when secondry of dry type transformer is shorted.?

3 Answers  

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hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx

0 Answers   Ansaldo,

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